fix(BE): edit customer, finance: bank optional, nominal minus, and filter

internal/modules/finance/transactions/controllers/transaction.controller.go

@@ -3,6 +3,7 @@ package controller
 import (
 	"math"
 	"strconv"
+	"strings"
 
 	"gitlab.com/mbugroup/lti-api.git/internal/modules/finance/transactions/dto"
 	service "gitlab.com/mbugroup/lti-api.git/internal/modules/finance/transactions/services"
@@ -23,10 +24,46 @@ func NewTransactionController(transactionService service.TransactionService) *Tr
 }
 
 func (u *TransactionController) GetAll(c *fiber.Ctx) error {
+	parseOptionalUint := func(key string) (*uint, error) {
+		raw := strings.TrimSpace(c.Query(key, ""))
+		if raw == "" {
+			return nil, nil
+		}
+		parsed, err := strconv.ParseUint(raw, 10, 64)
+		if err != nil {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid "+key)
+		}
+		if parsed == 0 {
+			return nil, nil
+		}
+		value := uint(parsed)
+		return &value, nil
+	}
+
+	bankId, err := parseOptionalUint("bank_id")
+	if err != nil {
+		return err
+	}
+	customerId, err := parseOptionalUint("customer_id")
+	if err != nil {
+		return err
+	}
+	supplierId, err := parseOptionalUint("supplier_id")
+	if err != nil {
+		return err
+	}
+
 	query := &validation.Query{
-		Page:   c.QueryInt("page", 1),
-		Limit:  c.QueryInt("limit", 10),
-		Search: c.Query("search", ""),
+		Page:            c.QueryInt("page", 1),
+		Limit:           c.QueryInt("limit", 10),
+		Search:          c.Query("search", ""),
+		TransactionType: c.Query("transaction_type", ""),
+		BankId:          bankId,
+		CustomerId:      customerId,
+		SupplierId:      supplierId,
+		SortDate:        c.Query("sort_date", ""),
+		StartDate:       c.Query("start_date", ""),
+		EndDate:         c.Query("end_date", ""),
 	}
 
 	if query.Page < 1 || query.Limit < 1 {